Crypto News
Charles Hoskinson, founder of Cardano, has accused Ethereum of trying to copy Cardano's Extended UTXO (EUTXO) model without crediting the original design. The comments came after Ethereum Foundation researcher Toni Wahrstätter shared a proposal that Hoskinson argues mirrors architecture Cardano shipped years earlier.
Why it matters
The Extended UTXO model is a hybrid design that combines Bitcoin-style unspent transaction outputs with the expressiveness needed for smart contracts. Cardano adopted it as a core design choice in its early research papers, positioning it as an alternative to Ethereum's account-based model. Hoskinson's claim is that Ethereum's research wing is now circling back to that same design space, the legitimacy of UTXO-based smart contracts that Cardano pioneered, rather than treating Cardano's work as a peer contribution.
Market impact
The dispute itself does not move price action directly, but it keeps the long-running ETH versus ADA narrative rivalry in front of retail traders. For Cardano, the framing matters because "first to ship" claims are a recurring lever in retail mindshare battles between competing Layer-1 ecosystems. ETH and ADA spot prices have not reacted materially to the post at time of writing.
Frequently asked questions
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What is Cardano's Extended UTXO model?
Extended UTXO is Cardano's hybrid ledger design that pairs Bitcoin-style unspent transaction outputs with the expressiveness needed to run smart contracts, positioning ADA as an alternative to Ethereum's account-based model.
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Why is Charles Hoskinson accusing Ethereum of copying?
Hoskinson claims Ethereum Foundation researcher Toni Wahrstätter shared a proposal mirroring architecture Cardano shipped years earlier, and that ETH is borrowing the design without acknowledging Cardano as the originator.
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Has ETH or ADA price reacted to the dispute?
No. ETH and ADA spot prices have not moved materially in response to Hoskinson's comments, framing this as a narrative dispute rather than a market-moving catalyst.
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How does EUTXO differ from Ethereum's account model?
Ethereum tracks state through accounts updated by transactions, while Cardano's EUTXO model uses unspent transaction outputs as the base ledger unit and adds smart-contract semantics on top, a structural choice that affects parallelism and predictability of transaction outcomes.
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What does the ETH versus ADA narrative rivalry matter for investors?
"First to ship" claims are a recurring lever in retail mindshare battles between competing Layer-1 ecosystems, shaping which chain attracts developer attention and capital even when short-term price action does not react to the dispute.
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